mybatis打印sql語句

首先複製來下面的xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration   
    PUBLIC "-//mybatis.org//DTD Config 3.0//EN"  
    "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <settings>
        <!-- 打印查詢語句 -->
        <setting name="logImpl" value="STDOUT_LOGGING" />
    </settings>
</configuration>

然後在引入mapper.xml中引入此配置文件